Extending Mueller News Today

>> reporter: none of the preefs directors had finished their ten year terms let alone exceed them. extending mueller requires congress to pass a new law which clears the senate unanimously. >> the decision to extend bob mueller term is the only time it happened. it was remarkable testament to him that congress approved this. >> reporter: muellers two year extension ends in 2013. he hands a completely over hailed fbi to a new director james comey. a man who four years later play a major role in t...